The Ultimate Guide to High Availability with MariaDB
This is a read-only copy of the MariaDB Knowledgebase generated on 2024-11-23. For the latest, interactive version please visit https://mariadb.com/kb/.

INTERVAL

Syntax

INTERVAL(N,N1,N2,N3,...)

Description

Returns the index of the last argument that is less than the first argument or is NULL.

Returns 0 if N < N1, 1 if N < N2, 2 if N < N3 and so on or -1 if N is NULL. All arguments are treated as integers. It is required that N1 < N2 < N3 < ... < Nn for this function to work correctly. This is because a fast binary search is used.

Examples

SELECT INTERVAL(23, 1, 15, 17, 30, 44, 200);
+--------------------------------------+
| INTERVAL(23, 1, 15, 17, 30, 44, 200) |
+--------------------------------------+
|                                    3 |
+--------------------------------------+

SELECT INTERVAL(10, 1, 10, 100, 1000);
+--------------------------------+
| INTERVAL(10, 1, 10, 100, 1000) |
+--------------------------------+
|                              2 |
+--------------------------------+

SELECT INTERVAL(22, 23, 30, 44, 200);
+-------------------------------+
| INTERVAL(22, 23, 30, 44, 200) |
+-------------------------------+
|                             0 |
+-------------------------------+

SELECT INTERVAL(10, 2, NULL);
+-----------------------+
| INTERVAL(10, 2, NULL) |
+-----------------------+
|                     2 |
+-----------------------+
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